Update ObjectToString to Harmony-draft algorithm

test/mjsunit/es6/promises.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --allow-natives-syntax
 
 // Make sure we don't rely on functions patchable by monkeys.
 var call = Function.prototype.call.call.bind(Function.prototype.call)
 var observe = Object.observe;
 var getOwnPropertyNames = Object.getOwnPropertyNames
 var defineProperty = Object.defineProperty
 
+
 function clear(o) {
   if (o === null || (typeof o !== 'object' && typeof o !== 'function')) return
   clear(o.__proto__)
   var properties = getOwnPropertyNames(o)
   for (var i in properties) {
     clearProp(o, properties[i])
   }
 }
 
 function clearProp(o, name) {
   var poisoned = {caller: 0, callee: 0, arguments: 0}
   try {
     var x = o[name]
     o[name] = undefined
     clear(x)
   } catch(e) {} // assertTrue(name in poisoned) }
 }
 
 // Find intrinsics and null them out.
 var globals = Object.getOwnPropertyNames(this)
 var whitelist = {Promise: true, TypeError: true}
 for (var i in globals) {
   var name = globals[i]
   if (name in whitelist || name[0] === name[0].toLowerCase()) delete globals[i]
 }
+
+
+(function() {

[rossberg, 2014/10/17 11:19:30]

Move this to line 36.

+  // Test before clearing global (fails otherwise)
+  assertEquals("[object Promise]",
+      Object.prototype.toString.call(new Promise(function() {})));
+})();
+
+
 for (var i in globals) {
   if (globals[i]) clearProp(this, globals[i])
 }
 
 
 var asyncAssertsExpected = 0;
 
 function assertAsyncRan() { ++asyncAssertsExpected }
 
 function assertAsync(b, s) {
@@ skipping 14 matching lines @@
         assertAsync(true, "all")
       else if (iteration > 10)  // Shouldn't take more.
         assertAsync(false, "all")
       else
         assertAsyncDone(iteration + 1)
     }
   )
   dummy.dummy = dummy
 }
 
-
 (function() {
   assertThrows(function() { Promise(function() {}) }, TypeError)
 })();
 
 (function() {
   assertTrue(new Promise(function() {}) instanceof Promise)
 })();
 
 (function() {
   assertThrows(function() { new Promise(5) }, TypeError)
@@ skipping 746 matching lines @@
   Promise.all([11, Promise.accept(12), 13, MyPromise.accept(14), 15, 16])
   assertTrue(log === "nx14n", "subclass/all/arg")
 
   log = ""
   MyPromise.all([21, Promise.accept(22), 23, MyPromise.accept(24), 25, 26])
   assertTrue(log === "nx24nnx21nnx23nnnx25nnx26n", "subclass/all/self")
 })();
 
 
 assertAsyncDone()